# #ff1f2e

A color — warm, vivid, playful, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#ff1f2e`
- RGB: rgb(255, 31, 46)
- HSL: hsl(356, 100%, 56%)
- OKLCH: oklch(0.638 0.248 25.9)
- Relative luminance: 0.2244
- Nearest named color: red (#ff0000, Δ 2.038) — https://brandsweets.com/colors/red
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ff1f2e

## Tints & shades

- Tints (toward white): #ff3341, #ff4754, #ff616b, #ff757e, #ff8a92, #ff9ea5, #ffb3b8, #ffcccf, #ffe0e2, #fff5f5
- Shades (toward black): #ff0516, #eb0010, #cc000e, #b3000c, #99000a, #800008, #660007, #470005, #2e0003, #140001

## Harmonies

- Complementary: #1ffff0
- Analogous: #ff1f9e, #ff801f
- Triadic: #2eff1f, #1f2eff
- Split-complementary: #1fff80, #1f9eff
- Tetradic: #9eff1f, #1ffff0, #801fff

## Colors that go with #ff1f2e

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #ff1f2e: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Logitech (https://brandsweets.com/colors/brands/logitech-com), Audi (https://brandsweets.com/colors/brands/audi-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Dodger Blue** #1e90ff [harmony, pool: triadic] — Dodger Blue completes a triad with #ff1f2e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Databricks (https://brandsweets.com/colors/brands/databricks-com), Google (https://brandsweets.com/colors/brands/google-com), Figma (https://brandsweets.com/colors/brands/figma), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/dodgerblue
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #ff1f2e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wired (https://brandsweets.com/colors/brands/wired-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Substack (https://brandsweets.com/colors/brands/substack-com). — https://brandsweets.com/colors/steelblue
- **Cadet Blue** #5f9ea0 [harmony, pool: complementary] — Cadet Blue sits directly opposite #ff1f2e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue
- **Amber** #ffbf00 [pool] — Amber is paired with #ff1f2e in 5 real palettes, including Google's brand system and Wired's brand system, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Wired (https://brandsweets.com/colors/brands/wired-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Gap's brand system and native Cybersecurity's brand system put Blue beside #ff1f2e, as the accent. Seen in: Gap (https://brandsweets.com/colors/brands/gap-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Glossier (https://brandsweets.com/colors/brands/glossier-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #ff1f2e: 4 real palettes, including NASA's brand system and Walgreens's brand system, as the lead colour. Seen in: NASA (https://brandsweets.com/colors/brands/nasa-gov), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Tide (https://brandsweets.com/colors/brands/tide-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ff1f2e: 14 real palettes, including L'Oréal's brand system and YouTube's brand system, as the accent. Seen in: L'Oréal (https://brandsweets.com/colors/brands/loreal-com), YouTube (https://brandsweets.com/colors/brands/youtube-com), ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 3.83:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #eb0010 (4.63:1); AA: background → #1a1a1a (4.55:1); AAA: text → #b3000c (7.19:1)
- On black (#000000): 5.49:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ff616b (7.17:1)

## Brands using this color

- **Nike** — secondary #ff0015 (Δ 1.576) — https://brandsweets.com/colors/brands/nike-com
- **Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom** — accent #ff0037 (Δ 1.675) — https://brandsweets.com/colors/brands/phantom-com

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/ff1f2e-c49e9c-62cb91-2d241f-f1e9ee?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#ff1f2e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.